noun, plural psis.
- pseudoxanthoma elasticum,
- psi particle,
- psi phenomenon,
Origin of psi1
Origin of psi2
Examples from the Web for psis
"I thought you'd welcome a reputable attorney who would represent Psis," I reminded him.
Pheola of the race-horse legs joined us, and several other psis as well.
Their attire, their homes, everything about Psis, seems tasteful.
But I will never believe that Psis would permit themselves to be represented by a Normal.
It's understood wherever people gamble that psis aren't welcome.
abbreviation for (in New Zealand)
- paranormal or psychic phenomena collectively
- (as modifier)psi powers
23rd letter of the Greek alphabet. Use for "psychic force, paranormal phenomenon" dates from 1942 (probably from psychic (adj.)).